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Description of Rhododendron 'Thunder'

R. 'Thunder' 
Photo by: Sally and John Perkins

Seed Parent x Pollen Parent: 

PJM x PJM 

Predominant Flower Color: 

Purple 

Flower / Truss Description: 

Flower openly funnel-shaped, wavy lobes, 1" across, purple fading to white. Ball-shaped trusses of 3-5. 

Fragrant: 

No 

Bloom Time: 

Early Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-20F  (-29C)

Foliage Description / Plant Habit: 

Leaves elliptic, flat to convex, apiculate apex, cuneate base, 1" long. Foliage is dark mahogany from November through end of blooming period. Dense plant habit. 

Elepidote (E) or Lepidote (L): 

Hybridizer: 

Mezitt 

Registration Reference: 

ARS 881 

 Note: Bloom time and 10 year height information are approximate and can vary dependent on local climate and soil conditions.
Hardiness temperature is also an approximate guideline.


American Rhododendron Society
Executive Director: P.O. Box 525,  Niagara Falls, NY 14304
Ph: 416-424-1942   Fax: 905-262-1999   E-Mail: lauragrant@arsoffice.org
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